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DIY: Do It Yourself
Post here to share or improve your wrench turning skills! All BMW E46 DIY tips, tales, and projects discussed inside. Learn to work on your car and know the right BMW parts you will need!

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Old 10-12-2014, 08:02 AM   #1
erickrayos
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Join Date: Aug 2014
Location: Las Vegas
Posts: 30
My Ride: 2001 BMW 325i
was about to replace clutch, more problems discovered.

Turns out I got more problem than I thought, I don't know what this part is called but its the one that connects from rear differential to the rear wheels, the bolts sheared off, so I need to replace this (and would probably do both side, might as well )
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Which part is that, would be great if anyone send me a link from ecs tuning of everything I would need to switch both sides.

And trying to remove the exhaust bolts the bolt itself sheared as well..

Any tips on how to remove these sheared bolts off these two things, on the exhaust I know I can just drill the bolts off, its a long process but that would work.

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I don't know about the one on the rear differential tho, so any tips would help on that one as well.



Edit:

Upon inspecting it further, seems like the rear axle shaft itself (CV joint part) isn't dmaged at all, just the bolts sheared and left parts of it on the flange.. I already ordered the axle and flanges, would replace flanges on both sides and bolts, but would only replace the shaft on the left (kinda tight on money now, been buying parts left and right just to make the car back on the road again).

so far here's my order so far (called ECS tuning to add 6 more bolts for the flange)


And anyone knows how to remove these flanges? should I drain the fluid before removing it? (already got fluid for it, will be replaced after installation of everything), Can't find any DIY guide for the flanges and all I can see is people prying them straight out. is that there is to it? just pry them out and its out?

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Old 10-12-2014, 12:52 PM   #2
PancakeBimmer
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Slightly off-topic question, but did you drive your car with broken axle shaft bolts without noticing any sounds?
I would think that everything would go to hell with axle shaft loose, and probably do more than just make noise.
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Old 10-12-2014, 05:58 PM   #3
erickrayos
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Quote:
Originally Posted by PancakeBimmer View Post
Slightly off-topic question, but did you drive your car with broken axle shaft bolts without noticing any sounds?
I would think that everything would go to hell with axle shaft loose, and probably do more than just make noise.
no there where no noise coming from it before it failed, the clutch was about to go out anyway and I was planning to change it by the end of this month (before I go to LA for holloween) but I guess when the bolts failed on the shaft, the load on the clutch pretty much doubled and it caused it to fail as well when the bolts failed.


the other side (right side) shaft bolts looks fine but I am switching them as well just in case. ordered 2 flanges so I can change the right side as well. and will change the drive shaft on the right side next month when I get a little breathing room on cash.
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Old 10-12-2014, 06:30 PM   #4
PancakeBimmer
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Originally Posted by erickrayos View Post
no there where no noise coming from it before it failed, the clutch was about to go out anyway and I was planning to change it by the end of this month (before I go to LA for holloween) but I guess when the bolts failed on the shaft, the load on the clutch pretty much doubled and it caused it to fail as well when the bolts failed.


the other side (right side) shaft bolts looks fine but I am switching them as well just in case. ordered 2 flanges so I can change the right side as well. and will change the drive shaft on the right side next month when I get a little breathing room on cash.
I don't understand how the car would be drive-able if bolts for one of the axels snapped. Wouldn't it [broken axle] be spinning and causing noise while all power went to the other axle? Or was the broken axle spinning inside diff hub, so it was somewhat help it place?
Edit: Are axels made so that if they break free of diff, they will don't go all over the subframe spinning and ****?
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Old 10-12-2014, 06:34 PM   #5
erickrayos
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Quote:
Originally Posted by PancakeBimmer View Post
I don't understand how the car would be drive-able if bolts for one of the axels snapped. Wouldn't it [broken axle] be spinning and causing noise while all power went to the other axle? Or was the broken axle spinning inside diff hub, so it was somewhat help it place?
when the left axle bolts failed my clutch gave up as well, so I was never able to drive it w/ one axle broken. so basically two things failed on that same time, as I said I am guessing when the bolts failed on the axle on that instant the clutch probably gave in as well coz of the sudden load difference and that clutch was about to go out anyways. I am amazed it lasted 160k miles w/o changing it. gonna switch from DMF to SMF in the process (already got the valeo conversion kit).


But yeah when we are pushing the car there is some noise under w/ the shaft rubbing over my exhaust pipes. when I spin the right side wheels while on the lift everything looks good.

And I noticed the right side boltss got the right bolts (torx) and the leftgot different bolts. I guess the previous owner when he had it cchanged didnt notice that,

Last edited by erickrayos; 10-12-2014 at 06:36 PM.
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